public class Test {
    public static void main(String[] args) {
        PriorityQueue priorityQueue = new PriorityQueue();
        int[] a = {12,7,1,9,5,14};
        priorityQueue.createHeap(a);
        priorityQueue.push(15);
        priorityQueue.pollHeap();
        System.out.println("==========");
    }
}
